Oil Pump and Rear Case Assembly/Installation

NOTE: Lubricate the oil pump components with Dexron II before installation. Prime the oil pickup tube by pouring a little oil into the tube before installation.





1. Install new O-ring in pickup tube inlet of oil pump.





2. Position oil pickup tube and filter in rear case. Be sure pickup filter is seated in case pocket and that pickup tube is aligned in case notches. Be sure hose that connects tube to filter is securely positioned.





3. Insert oil pickup tube in oil pump and position pump in rear case.
4. Apply bead of MOPAR Gasket Maker, or equivalent, to mating surface of front case. Keep sealer bead width to maximum of 3/16 inch. Do not use excessive amount of sealer as excess will be displaced into case interior.





5. Align oil pump with mainshaft and align shift rail with bore in rear case. Then install rear case and oil pump assembly. Be sure oil pump and pickup tube remain in position during case installation.
6. Install 4-5 rear case to front case bolts to hold rear case in position. Tighten bolts snug but not to specified torque at this time.





CAUTION: Verify that shift rail, and case alignment dowels are seated before installing any bolts. Case could be cracked if shaft rail or dowels are misaligned.

7. Verify that oil pump is aligned and seated on rear case. Reposition pump if necessary.





8. Check stud at end of case halves. If stud was loosened or came out during disassembly, apply Loctite 242 to stud threads and reseat stud in case.
9. Apply Loctite 242 to remainder of rear case-to-front case bolt threads and install bolts. Be sure lock washers are used on studs/bolts at case ends. Tighten bolts, or stud nuts as follows:
- flange head bolts to 47 - 61 Nm (35 - 45 ft. lbs.)
- all other bolts/nuts to 27 - 34 Nm (20 - 25 ft. lbs.)











10. Install oil pump retaining ring on mainshaft. Then install speedometer gear, and speedometer gear retaining ring.
11. Install rear output bearing and snap ring to output shaft.